Home / 190,415.48-262,763.24-109,838.19

Finding the Fourth Proportional to 190,415.48, 262,763.24 and 109,838.19

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Solution

The fourth proportional to 190,415.48, 262,763.24 and 109,838.19 is: 151,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,415.48 : 262,763.24 = 109,838.19 : x
  2. Step 2: Convert to fraction form
    190,415.48/262,763.24 = 109,838.19/x
  3. Step 3: Cross multiply
    190,415.48x = 262,763.24 × 109,838.19
  4. Step 4: Simplify right side
    190,415.48x = 28,861,438,130.94
  5. Step 5: Solve for x
    x = 28,861,438,130.94/190,415.48
  6. Step 6: Final answer
    x = 151,570.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.